Update dependencies

package.json

@@ -19,11 +19,11 @@
     "license": "MIT",
     "author": "Jeroen Akkerman",
     "dependencies": {
-        "@types/codemirror": "0.0.109",
-        "@types/marked": "^2.0.2",
-        "codemirror": "^5.61.0",
+        "@types/codemirror": "^5.60.4",
+        "@types/marked": "^3.0.1",
+        "codemirror": "^5.63.1",
         "codemirror-spell-checker": "1.1.2",
-        "marked": "^2.0.3"
+        "marked": "^3.0.4"
     },
     "devDependencies": {
         "browserify": "^17.0.0",
@@ -33,9 +33,9 @@
         "gulp-eslint": "^6.0.0",
         "gulp-header": "^2.0.9",
         "gulp-rename": "^2.0.0",
-        "gulp-terser": "^2.0.1",
+        "gulp-terser": "^2.1.0",
         "gulp-uglify": "^3.0.2",
-        "typescript": "^4.2.4",
+        "typescript": "^4.4.3",
         "vinyl-buffer": "^1.0.0",
         "vinyl-source-stream": "^2.0.0"
     },